Dracunculiasis: Dracunculiasis, more commonly known as Guinea worm disease, is a preventable infection caused by the parasite Dracunculus medinensis.Infection affects poor communities in remote parts of Africa that do not have safe water to drink.racunculiasis (dra-KUNK-you-LIE-uh-sis), more commonly called Guinea worm disease, is a parasitic infection caused by Dracunculus medinensis (a long, thin worm). Infection is seen when the adult worm emerges through the skin of an infected person.
1. personality disorder-inflexible and maladaptive patterns of behavior. folie, mental disorder, mental disturbance, psychological disorder, disturbance - (psychiatry) a psychological disorder of thought or emotion; a more neutral term than mental illness.
Personality disorders are a long-standing and maladaptive pattern of perceiving and responding to other people and to stressful circumstances. Ten personality disorders, grouped into 3 clusters, are defined in the DSM-IV: 1  Cluster A -- Odd or eccentric behavior. 2  Includes: 3  Paranoid personality disorder. 4  Schizoid personality disorder. 5  Cluster B -- Dramatic, emotional or erratic behavior. 6  Includes: 7  Antisocial personality disorder. 8  Borderline personality disorder.